Detecting structure by symbolic constructions on tokens. - Kent A. Stevens; Allen Brookes (Comput. Vis. Graph. Image Process., 1987)

Symbolic grouping versus simple cell models. - Allen Brookes; Kent A. Stevens (Biol. Cybern., 1991)

Modular and spatially explicit: A novel approach to system dynamics. - Patrick Wingo; Allen Brookes; John Bolte (Environ. Model. Softw., 2017)